metadata and readme updates

.travis.yml

@@ -19,6 +19,8 @@ matrix:
       env: TOXENV=py37
     - python: 3.8
       env: TOXENV=py38
+    - python: 3.9
+      env: TOXENV=py39
 
 install:
   - pip install tox

README.md

@@ -98,7 +98,9 @@ LOGGING = {
             'formatter': 'logzioFormat',
             'token': '<<LOGZIO-TOKEN>>',
             'logs_drain_timeout': 5,
-            'url': 'https://<<LOGZIO-URL>>:8071'
+            'url': 'https://<<LOGZIO-URL>>:8071',
+            'retries_no': 4,
+            'retry_timeout': 2,
         }
     },
     'loggers': {
@@ -209,16 +211,20 @@ LOGGING = {
 Please note that if you are using `python 3.8` it is preferred to use the `logging.config.dictConfig` method, as mentioned in [python's documentation](https://docs.python.org/3/library/logging.config.html#configuration-file-format).
 
 ## Release Notes
+- 3.1.0
+    - Bug fixes
+    - Retry number and timeout is now configurable
 - 3.0.0
     - Deprecated `python2.7` & `python3.4`
     - Changed log levels on `_flush_queue()` method (@hilsenrat)
+    
+<details>
+  <summary markdown="span"> Expand to check old versions </summary>
+
 - 2.0.15
     - Added flusher decorator for serverless platforms(@mcmasty)
     - Add support for `python3.7` and `python3.8` 
 
-<details>
-  <summary markdown="span"> Expand to check old versions </summary>
-
 - 2.0.13 
     - Add support for `pypy` and `pypy3`(@rudaporto-olx)
     - Add timeout for requests.post() (@oseemann) 

setup.py

@@ -3,7 +3,7 @@
 from setuptools import setup, find_packages
 setup(
     name="logzio-python-handler",
-    version='3.0.0',
+    version='3.1.0',
     description="Logging handler to send logs to your Logz.io account with bulk SSL",
     keywords="logging handler logz.io bulk https",
     author="roiravhon",